| Autor: |
Kote BS; Phosphorus Laboratory, Department of Chemistry, Indian Institute of Technology Bombay, Mumbai-400 076, India. krishna@chem.iitb.ac.in., Kunchur HS; Phosphorus Laboratory, Department of Chemistry, Indian Institute of Technology Bombay, Mumbai-400 076, India. krishna@chem.iitb.ac.in., Radhakrishna L; Phosphorus Laboratory, Department of Chemistry, Indian Institute of Technology Bombay, Mumbai-400 076, India. krishna@chem.iitb.ac.in., Pandey MK; Phosphorus Laboratory, Department of Chemistry, Indian Institute of Technology Bombay, Mumbai-400 076, India. krishna@chem.iitb.ac.in., Balakrishna MS; Phosphorus Laboratory, Department of Chemistry, Indian Institute of Technology Bombay, Mumbai-400 076, India. krishna@chem.iitb.ac.in. |
| Jazyk: |
angličtina |
| Zdroj: |
Dalton transactions (Cambridge, England : 2003) [Dalton Trans] 2021 Nov 23; Vol. 50 (45), pp. 16782-16794. Date of Electronic Publication: 2021 Nov 23. |
| DOI: |
10.1039/d1dt02803k |
| Abstrakt: |
The synthesis of a triazole appended dinucleating bisphosphine 1,4-bis(5-(diisopropylphosphaneyl)-1-phenyl-1 H -1,2,3-triazol-4-yl)benzene (2) and its coinage metal complexes are described. The dinucleating bisphosphine 2 was obtained by the temperature-controlled lithiation of 1,4-bis(1-phenyl-1 H -1,2,3-triazol-4-yl)benzene (1a) and 1,4-bis(1-(2-bromophenyl)-1 H -1,2,3-triazol-4-yl)benzene (1b) followed by the reaction with i Pr 2 PCl. The reactions of 2 with copper(I) halides in 1 : 2 molar ratios yielded the [Cu(μ 2 -X)] 2 dimeric complexes [{Cu(μ 2 -X)} 2 (P i Pr 2 N 3 PhC 2 ) 2 C 6 H 4 ] (3, X = Cl; 4, X = Br; and 5, X = I), whereas the reaction of 2 with AgBr resulted in the formation of hetero-cubane complex [{Ag 4 (μ 3 -Br) 4 }{(P i Pr 2 N 3 PhC 2 ) 2 C 6 H 4 } 2 ] (7). Similar reactions of 2 with AgX in 1 : 2 molar ratios yielded disilver complexes [{Ag(μ 2 -X)} 2 {(P i Pr 2 N 3 PhC 2 ) 2 C 6 H 4 }] (6, X = Cl and 8, X = I). Treatment of 2 with AgOAc in a 1 : 2 molar ratio afforded a dinuclear complex [Ag 2 (μ 2 -OAc) 2 {(P i Pr 2 N 3 PhC 2 ) 2 (C 6 H 4 )}] (9) with one of the acetate ligands bridging the two metal centres in the side-on mode, whereas the other one adopting the end-on mode keeping the >CO group uncoordinated. The reaction of 2 with two equivalents of [AuCl(SMe 2 )] afforded the digold complex [(AuClP i Pr 2 N 3 PhC 2 ) 2 C 6 H 4 ] (10). The molecular structures of 2-5 and 7-10 were confirmed by single crystal X-ray analysis. Non-covalent interactions between Cu and C arene were observed in the molecular structures of 3, 4 and 5. These weak interactions were also assessed by DFT calculations in terms of their non-covalent interaction plots (NCI) and QTAIM analyses. |
| Databáze: |
MEDLINE |
| Externí odkaz: |
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